Before performing any hydraulic troubleshooting in the bowl,
move ejector forward and disable it by disconnecting ejector
cylinder from hydraulic system. Failure to comply may result in
severe injury or death to personnel.
Have suitable container ready to catch oil.
Move ejector forward, stop engine, and relieve hydraulic pressure.
Disable ejector by disconnecting CONT VLV-21 hose (1) from elbow (2) at port 21 and
CONT VLV-22 hose (3) from elbow (4) at port 22 on ejector control valve. Cap and plug
hoses and fittings.
Connect tee (5) and pressure measuring device (6) between HYDR FLTR-IN-13R hose (7)
and high-pressure inlet port 13R.
Have assistant start engine, move the SPRUNG/UNSPRUNG lever to SPRUNG and
move the EJECTOR CONTROL lever to BACK. Read pressure measuring device (6).
While simultaneously holding the EJECTOR CONTROL lever in BACK, have assistant
move the right-hand SUSPENSION CONTROL lever to RAISE. Read pressure
measuring device (6).
13R MAIN RELIEF VALVE ADJUSTMENT
Loosen jamnut (8) on main relief valve 13R.
Have assistant simultaneously hold EJECTOR CONTROL lever in BACK while holding
the right-hand SUSPENSION CONTROL lever in RAISE.
Rotate adjusting screw (9) clockwise to increase pressure; counterclockwise to
decrease pressure. Tighten jamnut (8).
Stop engine; relieve hydraulic pressure.